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Viefleur [7K]
2 years ago
8

I need help with 1-3 and 5-6 pls

Mathematics
1 answer:
Romashka-Z-Leto [24]2 years ago
7 0
  • Answer:
  • add all the equation for example the first question in there would be like

(note - an equation contains an is equal to sign [=] and if a problem does not have an is equal to sign then it becomes an expression)

  • Step-by-step explanation:

  • 2n°, 55°, 49°

just add all of them making an equation like

2n° + 55° + 49° = 180° (angle sum property)

2n° + 104 = 108°

2n° = 108° - 104

i.e., 2n° = 76°

n = 76/2 therefore,

n = 38

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